Include in the appendix properties described using only manual metadata

Closes gh-48073

Author: wilkinsona

buildSrc/src/main/java/org/springframework/boot/build/context/properties/ConfigurationMetadataPlugin.java

@@ -20,6 +20,8 @@
 
 import org.gradle.api.Plugin;
 import org.gradle.api.Project;
+import org.gradle.api.attributes.Category;
+import org.gradle.api.attributes.Usage;
 import org.gradle.api.plugins.JavaPlugin;
 import org.gradle.api.plugins.JavaPluginExtension;
 import org.gradle.api.provider.Provider;
@@ -38,6 +40,8 @@
  */
 public class ConfigurationMetadataPlugin implements Plugin<Project> {
 
+private static final String CONFIGURATION_PROPERTIES_METADATA_CONFIGURATION_NAME = "configurationPropertiesMetadata";
+
 /**
  * Name of the {@link CheckAdditionalSpringConfigurationMetadata} task.
  */
@@ -52,25 +56,38 @@ private void registerCheckAdditionalMetadataTask(Project project) {
 TaskProvider<CheckManualSpringConfigurationMetadata> checkConfigurationMetadata = project.getTasks()
 .register(CHECK_MANUAL_SPRING_CONFIGURATION_METADATA_TASK_NAME,
 CheckManualSpringConfigurationMetadata.class);
+SourceSet mainSourceSet = project.getExtensions()
+.getByType(JavaPluginExtension.class)
+.getSourceSets()
+.getByName(SourceSet.MAIN_SOURCE_SET_NAME);
+Provider<File> manualMetadataLocation = project.getTasks()
+.named(mainSourceSet.getProcessResourcesTaskName(), ProcessResources.class)
+.map((processResources) -> new File(processResources.getDestinationDir(),
+"META-INF/spring-configuration-metadata.json"));
 checkConfigurationMetadata.configure((check) -> {
-SourceSet mainSourceSet = project.getExtensions()
-.getByType(JavaPluginExtension.class)
-.getSourceSets()
-.getByName(SourceSet.MAIN_SOURCE_SET_NAME);
-
-Provider<File> manualMetadataLocation = project.getTasks()
-.named(mainSourceSet.getProcessResourcesTaskName(), ProcessResources.class)
-.map((processResources) -> new File(processResources.getDestinationDir(),
-"META-INF/spring-configuration-metadata.json"));
 check.getMetadataLocation().set(manualMetadataLocation);
 check.getReportLocation()
 .set(project.getLayout()
 .getBuildDirectory()
 .file("reports/manual-spring-configuration-metadata/check.txt"));
 });
+addMetadataArtifact(project, manualMetadataLocation);
 project.getTasks()
 .named(LifecycleBasePlugin.CHECK_TASK_NAME)
 .configure((check) -> check.dependsOn(checkConfigurationMetadata));
 }
 
+private void addMetadataArtifact(Project project, Provider<File> metadataLocation) {
+project.getConfigurations()
+.consumable(CONFIGURATION_PROPERTIES_METADATA_CONFIGURATION_NAME, (configuration) -> {
+configuration.attributes((attributes) -> {
+attributes.attribute(Category.CATEGORY_ATTRIBUTE,
+project.getObjects().named(Category.class, Category.DOCUMENTATION));
+attributes.attribute(Usage.USAGE_ATTRIBUTE,
+project.getObjects().named(Usage.class, "configuration-properties-metadata"));
+});
+});
+project.getArtifacts().add(CONFIGURATION_PROPERTIES_METADATA_CONFIGURATION_NAME, metadataLocation);
+}
+
 }